lodash deep clone object
const clone = require('lodash/clone');
const cloneDeep = require('lodash/clonedeep');
const shallowCopy = clone(originalObject);
const deepCopy = clonedeep(originalObject);lodash deep clone object
const clone = require('lodash/clone');
const cloneDeep = require('lodash/clonedeep');
const shallowCopy = clone(originalObject);
const deepCopy = clonedeep(originalObject);lodash merge
import merge from 'lodash/merge'
let object = { 'a': [{ 'b': 2 }, { 'd': 4 }]};
let other = { 'a': [{ 'c': 3 }, { 'e': 5 }]};
merge(object, other); // => { 'a': [{ 'b': 2, 'c': 3 }, { 'd': 4, 'e': 5 }] }lodash mapValues
var users = { 'fred': { 'user': 'fred', 'age': 40 }, 'pebbles': { 'user': 'pebbles', 'age': 1 }};
_.mapValues(users, function(o) { return o.age; });
// => { 'fred': 40, 'pebbles': 1 } (iteration order is not guaranteed)
// The `_.property` iteratee shorthand.
_.mapValues(users, 'age');
// => { 'fred': 40, 'pebbles': 1 } (iteration order is not guaranteed)lodash map
const _quote_filter = _.map(quote_state, (val, key) => { if (val) { return key }})console.log(_quote_filter) //=> [ 'btc', undefined, undefined ]lodash map
const _markets_arr = []
_.map(markets, (val, key) => {
val.symbol = key
if (val.buys > 0) {
_markets_arr.push(val)
}
})
console.log(_markets_arr)
//=> [
{ buys: 3, sells: 1, symbol: 'DASH/BTC' },
{ buys: 3, sells: 2, symbol: 'ETH/BTC' }
]Copyright © 2021 Codeinu
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